1127381617 has 4 divisors (see below), whose sum is σ = 1146489840. Its totient is φ = 1108273396.

The previous prime is 1127381599. The next prime is 1127381623. The reversal of 1127381617 is 7161837211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127381617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127381117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9554023 + ... + 9554140.

It is an arithmetic number, because the mean of its divisors is an integer number (286622460).

Almost surely, 2^1127381617 is an apocalyptic number.

It is an amenable number.

1127381617 is a deficient number, since it is larger than the sum of its proper divisors (19108223).

1127381617 is an equidigital number, since it uses as much as digits as its factorization.

1127381617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19108222.

The product of its digits is 14112, while the sum is 37.

The square root of 1127381617 is about 33576.5039424893. The cubic root of 1127381617 is about 1040.7753146764.

The spelling of 1127381617 in words is "one billion, one hundred twenty-seven million, three hundred eighty-one thousand, six hundred seventeen".